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1、第一次进行性交的女性不可能怀孕。这是青少年中常见的传言。她是可能怀孕的。性交中没有“免费试用”的机会。2、女性月经期间不可能怀孕。虽然在月经周期的这段时间中怀孕的机会很小,但仍有女性在此时怀孕。3、如果男性在性交前不久自慰直至射精,性交时他的精子数就可以减低到不会造成对方怀孕的程度。不对。精子数仍然足够造成怀孕。4、如果女性在性交后上下跳跃,她就不会怀孕。在
1, the first sexual intercourse of women can not be pregnant. This is a common rumor among teenagers. She is likely to be pregnant. There is no “free trial” in intercourse. 2, women can not be pregnant during menstruation. Although there is little chance of getting pregnant during the menstrual cycle, women are still pregnant at this time. 3, if the male masturbation until shortly before sexual intercourse until ejaculation, intercourse, his sperm count can be reduced to the extent that will not cause each other to become pregnant. wrong. The number of sperm is still enough to cause pregnancy. 4, if a woman jumps up and down after sex, she will not be pregnant. in